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Want to know where your center of gravity is?

Discussion in 'The Garage' started by Jagged, Mar 26, 2006.

  1. Jagged

    Jagged 1 ton status

    Joined:
    Apr 25, 2005
    Posts:
    11,460
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    Location:
    SWVA
    Check this out...

    1) Weigh your truck at all 4 wheels. We're looking for the weight at each wheel.
    2) Throw some metal rods in place of the front shocks
    3) Jack up the rear 10-20" or so
    4) Weigh the front wheels


    Now:

    CGH = Center of Gravity Height
    CGwb = Center of Gravity in wheelbase (from behind the front wheel centerline)
    CGtrw = Center of Gravite in track width (from left side of track width)
    WB = Wheel Base
    TrW = Track Width
    HT = Height Raised
    FW1 = Front Weight before jacking
    FW2 = Front Weight after jacking
    RW = Rear Weight
    RtW = Right Side Weight
    TW = Total Weight



    Having said that:

    tan x = HT / squareroot( HT^2 + WB^2 )
    FWc = FW2 - FW1
    CGH = ( HT * FWc ) / ( TW * tan x )
    CGwb = ( RW / TW ) * WB
    CGtrw = (RtW / TW ) * TrW

    Keep in mind CGH in from the centerline of you axles. Now you can go paint CG spots on you truck. You will roll over when your CG spot passes your wheel.
     
  2. Paxx

    Paxx 1/2 ton status

    Joined:
    Feb 9, 2003
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    Location:
    All Over Western Canada
    :bow: That is some pretty cool info thanx
     

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